Effects of straw biochar application on soil temperature, available nitrogen and growth of corn

Journal of Environmental Management
Weiying FengHaiyan Chen

Abstract

Straw biochar could improve the water holding capacity effectivity of salinized soil, increase soil fertili, enhance crop yield, reduce greenhouse gas emission, and mitigate climate change. The mechanism of using straw biochar for soil improvement is different under various climate and soil texture conditions. To explore the mechanism of using straw biochar to improve soil and its influence on crop yield in the typical arid and semi-arid, a large temperature difference between day and night, soil temperature at different depths, and physiological changes and crop yield of maize at different growth stages were studied. It is assumed that straw biochar can improve the properties of salinized soil including physicochemical indexes, and crop physiological index, stimulates the positive circulation between soil, vegetation, and microorganisms, and plays a role in improving soil quality. The results showed that biochar application increased the average soil temperature (T) by 2 °C and reduced day-night T differences. Application of 30 t/ha biochar increased the average maize leaf T by 2.2 °C and photosynthetic rate by 16.5%. Furthermore, the average transpiration rate doubled compared to control, and the chlorophyll value increased b...Continue Reading

References

Aug 1, 2008·Journal of Integrative Plant Biology·Yong-Lin PengDe-Li Wang
Apr 14, 2010·Environmental Science & Technology·Binh Thanh NguyenCaroline A Masiello
Apr 10, 2012·Bioresource Technology·Akio EndersJohannes Lehmann
Jun 18, 2014·International Journal of Phytoremediation·Dilek Angin, Sevgi Sensöz
Jan 4, 2017·Waste Management·Eunice Agyarko-MintahFlavio Fornasier
Nov 23, 2017·The Science of the Total Environment·David O'ConnorDeyi Hou

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Citations

Feb 24, 2021·Journal of Environmental Management·Rui CenZhongyi Qu
Jun 18, 2021·Frontiers in Plant Science·Shujun WangTieliang Wang

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